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Copyright Information Circulars and Form Letters, Library of Congress -- in text, HTML, PDF URL: http://lcweb.loc.gov/copyright/circs/
URL: http://lcweb.loc.gov/copyright/circs/
Circular 1: Copyright Basics Circular 1b: Limitations/Information Furnished by Copyright Office Circular 6: Access to/Copies of Copyright Records and Deposits Circular 7d: Mandatory Deposit of Copies or Phonorecords ... Circular 12: Recordations of Transfers and Other Documents Circular 15: Renewal of Copyright Circular 21: Reproduction of Copyrighted Works By Educators and Librarians Circular 22: How to Investigate the Copyright Status of a Work Circular 23: Copyright Card Catalog and the Online files ... Circular 31: Ideas, Methods, or Systems Circular 32: Blank Forms/Other Works Not Protected by Copyright Circular 34: Copyright Protection NOT Available/Names, Titles, ... Circular 40: Works of the Visual Arts Circular 40a: Deposit Requirements in Visual Arts Material Circular 41: Copyright Claims in Architectural Works Circular 44: Cartoons and Comic Strips Circular 45: Motion Pictures including Video Recordings Circular 50: Musical Composition Circular 55: Copyright Registration for Multimedia Works Circular 56: Copyright for Sound Recordings Circular 56a: Copyright Registration of Musical Compositions .. Circular 61: Copyright Registration for Computer Programs Circular 62: Copyright Registration for Serials on Form SE Circular 74: Compulsory License Royalty Payments/Electronic ... Circular 100: Federal Satutory Protection for Mask Works